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Finding the Fourth Proportional to 504,283,611.64, 754,873,980.96 and 329,029,279.72

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Solution

The fourth proportional to 504,283,611.64, 754,873,980.96 and 329,029,279.72 is: 492,531,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,283,611.64 : 754,873,980.96 = 329,029,279.72 : x
  2. Step 2: Convert to fraction form
    504,283,611.64/754,873,980.96 = 329,029,279.72/x
  3. Step 3: Cross multiply
    504,283,611.64x = 754,873,980.96 × 329,029,279.72
  4. Step 4: Simplify right side
    504,283,611.64x = 248,375,642,234,637,824
  5. Step 5: Solve for x
    x = 248,375,642,234,637,824/504,283,611.64
  6. Step 6: Final answer
    x = 492,531,655.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.